Question

A man eamed $3000 the first year he worked. If he received a raise of $400 at the end of each year, what was his salary during the 15th year?

Answer 1

`\$3000+\$6000=\$9000`

Explanation:

He has a raise of $400 at the end of each year, the we have to find how much is the total amount raised during the 15 years, then:

`\$400* 15=\$6000`

The during the 25 years he has a total raised of $6000 as the salary during the first years was $3000, the salary during the 15th year is:

`\$3000+\$6000=\$9000`